Because the context of what your speaking about is already given. Your just putting it into your own words.
Answer:
C.“Some concussions are much more serious than the symptoms would suggest,” says Dr. Monroe, a neurologist at the Brain Center.
Explanation:
Compared to all the other answers 'C' mentions a doctor (Dr.Monroe) and since you are trying to pick the answer that is most credible...picking the one that comes from the most knowledgeable source is the most credible. So, option C. is correct.
*P.S I also got it right on Edge2020*
<span>Where m and n are statements m V n is called the disjunction of ma and n. The correct option among all the options that are given in the question is the first option. The other choices can be easily negated. I hope that this is the answer that you were looking for and the answer has come to your desired help.</span>
Your answer would be true. Hope this helps and if it did feel free to mark me brainliest and Have a fantabulous day!!
